1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
|
require 'spec_helper'
require 'pathname'
require 'puppet/util/selinux'
describe Puppet::Util::SELinux do
include Puppet::Util::SELinux
let(:selinux) { double('selinux', is_selinux_enabled: false) }
before :each do
stub_const('Selinux', selinux)
end
describe "selinux_support?" do
it "should return true if this system has SELinux enabled" do
expect(Selinux).to receive(:is_selinux_enabled).and_return(1)
expect(selinux_support?).to eq(true)
end
it "should return false if this system has SELinux disabled" do
expect(Selinux).to receive(:is_selinux_enabled).and_return(0)
expect(selinux_support?).to eq(false)
end
it "should return false if this system lacks SELinux" do
hide_const('Selinux')
expect(selinux_support?).to eq(false)
end
it "should return nil if /proc/mounts does not exist" do
allow(File).to receive(:open).with("/proc/mounts").and_raise("No such file or directory - /proc/mounts")
expect(read_mounts).to eq(nil)
end
end
describe "read_mounts" do
before :each do
fh = double('fh', :close => nil)
allow(File).to receive(:open).and_call_original()
allow(File).to receive(:open).with("/proc/mounts").and_return(fh)
times_fh_called = 0
expect(fh).to receive(:read_nonblock) do
times_fh_called += 1
raise EOFError if times_fh_called > 1
"rootfs / rootfs rw 0 0\n/dev/root / ext3 rw,relatime,errors=continue,user_xattr,acl,data=ordered 0 0\n/dev /dev tmpfs rw,relatime,mode=755 0 0\n/proc /proc proc rw,relatime 0 0\n/sys /sys sysfs rw,relatime 0 0\n192.168.1.1:/var/export /mnt/nfs nfs rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,hard,nointr,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.1,mountvers=3,mountproto=udp,addr=192.168.1.1 0 0\n"
end.twice()
end
it "should parse the contents of /proc/mounts" do
result = read_mounts
expect(result).to eq({
'/' => 'ext3',
'/sys' => 'sysfs',
'/mnt/nfs' => 'nfs',
'/proc' => 'proc',
'/dev' => 'tmpfs' })
end
end
describe "filesystem detection" do
before :each do
allow(self).to receive(:read_mounts).and_return({
'/' => 'ext3',
'/sys' => 'sysfs',
'/mnt/nfs' => 'nfs',
'/mnt/zfs' => 'zfs',
'/proc' => 'proc',
'/dev' => 'tmpfs' })
end
it "should match a path on / to ext3" do
expect(find_fs('/etc/puppetlabs/puppet/testfile')).to eq("ext3")
end
it "should match a path on /mnt/nfs to nfs" do
expect(find_fs('/mnt/nfs/testfile/foobar')).to eq("nfs")
end
it "should return true for a capable filesystem" do
expect(selinux_label_support?('/etc/puppetlabs/puppet/testfile')).to be_truthy
end
it "should return true if tmpfs" do
expect(selinux_label_support?('/dev/shm/testfile')).to be_truthy
end
it "should return true if zfs" do
expect(selinux_label_support?('/mnt/zfs/testfile')).to be_truthy
end
it "should return false for a noncapable filesystem" do
expect(selinux_label_support?('/mnt/nfs/testfile')).to be_falsey
end
it "(#8714) don't follow symlinks when determining file systems", :unless => Puppet::Util::Platform.windows? do
scratch = Pathname(PuppetSpec::Files.tmpdir('selinux'))
allow(self).to receive(:read_mounts).and_return({
'/' => 'ext3',
scratch + 'nfs' => 'nfs',
})
(scratch + 'foo').make_symlink('nfs/bar')
expect(selinux_label_support?(scratch + 'foo')).to be_truthy
end
it "should handle files that don't exist" do
scratch = Pathname(PuppetSpec::Files.tmpdir('selinux'))
expect(selinux_label_support?(scratch + 'nonesuch')).to be_truthy
end
end
describe "get_selinux_current_context" do
it "should return nil if no SELinux support" do
expect(self).to receive(:selinux_support?).and_return(false)
expect(get_selinux_current_context("/foo")).to be_nil
end
it "should return a context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return([0, "user_u:role_r:type_t:s0"])
expect(get_selinux_current_context("/foo")).to eq("user_u:role_r:type_t:s0")
end
end
it "should return nil if lgetfilecon fails" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return(-1)
expect(get_selinux_current_context("/foo")).to be_nil
end
end
end
describe "get_selinux_default_context" do
it "should return nil if no SELinux support" do
expect(self).to receive(:selinux_support?).and_return(false)
expect(get_selinux_default_context("/foo")).to be_nil
end
it "should return a context if a default context exists" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
fstat = double('File::Stat', :mode => 0)
expect(Puppet::FileSystem).to receive(:lstat).with('/foo').and_return(fstat)
expect(self).to receive(:find_fs).with("/foo").and_return("ext3")
expect(Selinux).to receive(:matchpathcon).with("/foo", 0).and_return([0, "user_u:role_r:type_t:s0"])
expect(get_selinux_default_context("/foo")).to eq("user_u:role_r:type_t:s0")
end
end
it "handles permission denied errors by issuing a warning" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 0).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::EACCES, "/root/chuj")
expect(get_selinux_default_context("/root/chuj")).to be_nil
end
end
it "backward compatibly handles no such file or directory errors by issuing a warning when resource_ensure not set" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 0).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::ENOENT, "/root/chuj")
expect(get_selinux_default_context("/root/chuj")).to be_nil
end
end
it "should determine mode based on resource ensure when set to file" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 32768).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::ENOENT, "/root/chuj")
expect(get_selinux_default_context("/root/chuj", :present)).to be_nil
expect(get_selinux_default_context("/root/chuj", :file)).to be_nil
end
end
it "should determine mode based on resource ensure when set to dir" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 16384).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::ENOENT, "/root/chuj")
expect(get_selinux_default_context("/root/chuj", :directory)).to be_nil
end
end
it "should determine mode based on resource ensure when set to link" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 40960).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::ENOENT, "/root/chuj")
expect(get_selinux_default_context("/root/chuj", :link)).to be_nil
end
end
it "should determine mode based on resource ensure when set to unknown" do
without_partial_double_verification do
allow(self).to receive(:selinux_support?).and_return(true)
allow(self).to receive(:selinux_label_support?).and_return(true)
allow(Selinux).to receive(:matchpathcon).with("/root/chuj", 0).and_return(-1)
allow(self).to receive(:file_lstat).with("/root/chuj").and_raise(Errno::ENOENT, "/root/chuj")
expect(get_selinux_default_context("/root/chuj", "unknown")).to be_nil
end
end
it "should return nil if matchpathcon returns failure" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
fstat = double('File::Stat', :mode => 0)
expect(Puppet::FileSystem).to receive(:lstat).with('/foo').and_return(fstat)
expect(self).to receive(:find_fs).with("/foo").and_return("ext3")
expect(Selinux).to receive(:matchpathcon).with("/foo", 0).and_return(-1)
expect(get_selinux_default_context("/foo")).to be_nil
end
end
it "should return nil if selinux_label_support returns false" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(self).to receive(:find_fs).with("/foo").and_return("nfs")
expect(get_selinux_default_context("/foo")).to be_nil
end
end
end
describe "parse_selinux_context" do
it "should return nil if no context is passed" do
expect(parse_selinux_context(:seluser, nil)).to be_nil
end
it "should return nil if the context is 'unlabeled'" do
expect(parse_selinux_context(:seluser, "unlabeled")).to be_nil
end
it "should return the user type when called with :seluser" do
expect(parse_selinux_context(:seluser, "user_u:role_r:type_t:s0")).to eq("user_u")
expect(parse_selinux_context(:seluser, "user-withdash_u:role_r:type_t:s0")).to eq("user-withdash_u")
end
it "should return the role type when called with :selrole" do
expect(parse_selinux_context(:selrole, "user_u:role_r:type_t:s0")).to eq("role_r")
expect(parse_selinux_context(:selrole, "user_u:role-withdash_r:type_t:s0")).to eq("role-withdash_r")
end
it "should return the type type when called with :seltype" do
expect(parse_selinux_context(:seltype, "user_u:role_r:type_t:s0")).to eq("type_t")
expect(parse_selinux_context(:seltype, "user_u:role_r:type-withdash_t:s0")).to eq("type-withdash_t")
end
describe "with spaces in the components" do
it "should raise when user contains a space" do
expect{parse_selinux_context(:seluser, "user with space_u:role_r:type_t:s0")}.to raise_error Puppet::Error
end
it "should raise when role contains a space" do
expect{parse_selinux_context(:selrole, "user_u:role with space_r:type_t:s0")}.to raise_error Puppet::Error
end
it "should raise when type contains a space" do
expect{parse_selinux_context(:seltype, "user_u:role_r:type with space_t:s0")}.to raise_error Puppet::Error
end
it "should return the range when range contains a space" do
expect(parse_selinux_context(:selrange, "user_u:role_r:type_t:s0 s1")).to eq("s0 s1")
end
end
it "should return nil for :selrange when no range is returned" do
expect(parse_selinux_context(:selrange, "user_u:role_r:type_t")).to be_nil
end
it "should return the range type when called with :selrange" do
expect(parse_selinux_context(:selrange, "user_u:role_r:type_t:s0")).to eq("s0")
expect(parse_selinux_context(:selrange, "user_u:role_r:type-withdash_t:s0")).to eq("s0")
end
describe "with a variety of SELinux range formats" do
['s0', 's0:c3', 's0:c3.c123', 's0:c3,c5,c8', 'TopSecret', 'TopSecret,Classified', 'Patient_Record'].each do |range|
it "should parse range '#{range}'" do
expect(parse_selinux_context(:selrange, "user_u:role_r:type_t:#{range}")).to eq(range)
end
end
end
end
describe "set_selinux_context" do
before :each do
fh = double('fh', :close => nil)
allow(File).to receive(:open).with("/proc/mounts").and_return(fh)
times_fh_called = 0
allow(fh).to receive(:read_nonblock) do
times_fh_called += 1
raise EOFError if times_fh_called > 1
"rootfs / rootfs rw 0 0\n/dev/root / ext3 rw,relatime,errors=continue,user_xattr,acl,data=ordered 0 0\n"+
"/dev /dev tmpfs rw,relatime,mode=755 0 0\n/proc /proc proc rw,relatime 0 0\n"+
"/sys /sys sysfs rw,relatime 0 0\n"
end
end
it "should return nil if there is no SELinux support" do
expect(self).to receive(:selinux_support?).and_return(false)
expect(set_selinux_context("/foo", "user_u:role_r:type_t:s0")).to be_nil
end
it "should return nil if selinux_label_support returns false" do
expect(self).to receive(:selinux_support?).and_return(true)
expect(self).to receive(:selinux_label_support?).with("/foo").and_return(false)
expect(set_selinux_context("/foo", "user_u:role_r:type_t:s0")).to be_nil
end
it "should use lsetfilecon to set a context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lsetfilecon).with("/foo", "user_u:role_r:type_t:s0").and_return(0)
expect(set_selinux_context("/foo", "user_u:role_r:type_t:s0")).to be_truthy
end
end
it "should use lsetfilecon to set user_u user context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return([0, "foo:role_r:type_t:s0"])
expect(Selinux).to receive(:lsetfilecon).with("/foo", "user_u:role_r:type_t:s0").and_return(0)
expect(set_selinux_context("/foo", "user_u", :seluser)).to be_truthy
end
end
it "should use lsetfilecon to set role_r role context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return([0, "user_u:foo:type_t:s0"])
expect(Selinux).to receive(:lsetfilecon).with("/foo", "user_u:role_r:type_t:s0").and_return(0)
expect(set_selinux_context("/foo", "role_r", :selrole)).to be_truthy
end
end
it "should use lsetfilecon to set type_t type context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return([0, "user_u:role_r:foo:s0"])
expect(Selinux).to receive(:lsetfilecon).with("/foo", "user_u:role_r:type_t:s0").and_return(0)
expect(set_selinux_context("/foo", "type_t", :seltype)).to be_truthy
end
end
it "should use lsetfilecon to set s0:c3,c5 range context" do
without_partial_double_verification do
expect(self).to receive(:selinux_support?).and_return(true)
expect(Selinux).to receive(:lgetfilecon).with("/foo").and_return([0, "user_u:role_r:type_t:s0"])
expect(Selinux).to receive(:lsetfilecon).with("/foo", "user_u:role_r:type_t:s0:c3,c5").and_return(0)
expect(set_selinux_context("/foo", "s0:c3,c5", :selrange)).to be_truthy
end
end
end
describe "set_selinux_default_context" do
it "should return nil if there is no SELinux support" do
expect(self).to receive(:selinux_support?).and_return(false)
expect(set_selinux_default_context("/foo")).to be_nil
end
it "should return nil if no default context exists" do
expect(self).to receive(:get_selinux_default_context).with("/foo", nil).and_return(nil)
expect(set_selinux_default_context("/foo")).to be_nil
end
it "should do nothing and return nil if the current context matches the default context" do
expect(self).to receive(:get_selinux_default_context).with("/foo", nil).and_return("user_u:role_r:type_t")
expect(self).to receive(:get_selinux_current_context).with("/foo").and_return("user_u:role_r:type_t")
expect(set_selinux_default_context("/foo")).to be_nil
end
it "should set and return the default context if current and default do not match" do
expect(self).to receive(:get_selinux_default_context).with("/foo", nil).and_return("user_u:role_r:type_t")
expect(self).to receive(:get_selinux_current_context).with("/foo").and_return("olduser_u:role_r:type_t")
expect(self).to receive(:set_selinux_context).with("/foo", "user_u:role_r:type_t").and_return(true)
expect(set_selinux_default_context("/foo")).to eq("user_u:role_r:type_t")
end
end
describe "get_create_mode" do
it "should return 0 if the resource is absent" do
expect(get_create_mode(:absent)).to eq(0)
end
it "should return mode with file type set to S_IFREG when resource is file" do
expect(get_create_mode(:present)).to eq(32768)
expect(get_create_mode(:file)).to eq(32768)
end
it "should return mode with file type set to S_IFDIR when resource is dir" do
expect(get_create_mode(:directory)).to eq(16384)
end
it "should return mode with file type set to S_IFLNK when resource is link" do
expect(get_create_mode(:link)).to eq(40960)
end
it "should return 0 for everything else" do
expect(get_create_mode("unknown")).to eq(0)
end
end
end
|
